LD Remanufactured Ink Cartridge Replacement for Canon PG30 & CL31 (1 Pigment Black, 1 Color, 2-Pack) All of our products are offered with a Two Year 100% Quality Satisfaction Guarantee. All LD branded products are backed by a LIFETIME 100% satisfaction guarantee The use of LD replacement cartridges and supplies does not void your printers warranty. Fast shipping and award-winning customer service Optimum performance and productivity with superior resistance to smudging and bleeding